50045964557 has 2 divisors, whose sum is σ = 50045964558. Its totient is φ = 50045964556.

The previous prime is 50045964443. The next prime is 50045964613. The reversal of 50045964557 is 75546954005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50044374436 + 1590121 = 223706^2 + 1261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50045964557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50045964257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022982278 + 25022982279.

It is an arithmetic number, because the mean of its divisors is an integer number (25022982279).

Almost surely, 2^50045964557 is an apocalyptic number.

It is an amenable number.

50045964557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50045964557 is an equidigital number, since it uses as much as digits as its factorization.

50045964557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 50045964557 in words is "fifty billion, forty-five million, nine hundred sixty-four thousand, five hundred fifty-seven".